To be the best leader, you must also be the strongest leader!

"Master, don't worry. I will never let you down!" Zeng Niu's eyes were firm, and he secretly vowed in his heart that he must practice hard and find a way to repay Sun Yi's kindness in the future.

"Well, I need to spend time practicing and researching, so I don't have time to teach you and Xiaoqi. When you're not practicing, please take the time to spend more time with her. Xiaoqi is still young, and I hope she has a happy childhood. I will also take the time to visit her."

"Okay, Master. I will take care of Xiao Qi. Don't worry, Master."

Sun Yi nodded and waved his hand: "Okay, go back and practice."

"Master Su, Master, I'm leaving!" Zeng Niu bowed to the two of them, then respectfully left the training room.

"I'm going back to continue healing. If you need help, feel free to contact me." After Su Motang finished speaking, his body flashed and disappeared.

Sun Yi smiled gratefully and went to the R&D department.

Now the R&D department has been officially established, and it is filled with the sect’s top R&D elites. Although there are already hundreds of people, Sun Yi still feels that it is not enough.

Sun Yi found Wu Muyan and Gu Qingcheng, only to see that they were still concentrating on studying the second stage of the body-tempering blood pool. However, purifying the residual souls of the monsters in their blood essence was extremely difficult, far more difficult than purifying the monster power, and there would be no results in a short time.

"Elder Wu, Gu Qingcheng, have you finalized the transformation of the Qingyun armor?" Sun Yi walked over.

Wu Muyan looked back at Sun Yi and said, "It's already been discussed. We have arranged a special team to transform and upgrade the Qingyun Battle Armor. We don't need to take any action on the first-level Qingyun Battle Armor, the second-level Qingyun Battle Armor, or the third-level first-grade Qingyun Battle Armor."

"We need to make the third-level ninth-grade battle armor ourselves. I will directly give you the modification method. With your strength, you can complete the modification yourself."

As he spoke, Wu Muyan directly handed Sun Yi a jade slip, which recorded the modification method of the Qingyun armor.

Sun Yi started to check it out directly, and soon an expression of surprise appeared on his face. The modification plan of the Qingyun armor was very mysterious, and the combination of the formation was simply a genius design.

The explosive formation of the Qingyun Armor is definitely a major innovation in formations. Sun Yi was greatly inspired after seeing it.

Sun Yi put the jade slip away, and then began to understand the research progress of the Body Tempering Blood Pool. After understanding it, he left the R&D department directly.

Now that the Seven Star Tower has been resolved and the planning of Qingyun Sect has been completed, with no shortage of resources, Sun Yi will naturally begin to practice with all his strength.

Although he already has a third-level physical body, he has only just entered the third-level stage and is not very strong yet. Now that Qingyun Sect can mass-produce third-level body-tempering resources, Sun Yi can use them without limit, so what is he waiting for?

He returned to the training room with a large amount of third-level monster blood essence and sat down cross-legged. Sun Yi flipped his right hand and a white jade bottle appeared in his hand.

The jade bottle contains the essence and blood of a third-level Red Rhino. The Red Rhino is a very violent monster. The demonic power contained in its essence and blood is very strong, and there was no way to use it to temper the body.

But now Qingyunmen has solved this problem perfectly.

Sun Yi's mind moved, and he directly absorbed a drop of the blood of the Red Lingxi and swallowed it. The next moment, a violent force surged through his body.

At the same time, a remnant soul appeared in Sun Yi's sea of ​​consciousness and instantly transformed into a huge red rhinoceros.

The huge red rhino widened its blood-red eyes, roared at Sun Yi's soul, and then rushed directly towards Sun Yi's soul.

"Humph!"

One of Sun Yi's souls rushed out and turned into a blurry figure. He raised his hand and punched the remaining soul of Chi Lingxi. The next moment, he directly shattered the remaining soul of Chi Lingxi.

The residual soul contained in a drop of Red Lingxi's blood is very powerful, and most cultivators in the Foundation Establishment stage find it difficult to withstand the power of this residual soul.

However, Sun Yi's soul is extremely powerful, and the residual soul of the Red Rhino has no effect on him. The souls of the disciples in the Battle Hall are all very strong, and can basically withstand the power of this residual soul. Most of the disciples in the Foundation Establishment Stage of the Battle Hall can use the essence and blood of third-level monsters to temper their bodies.

Previously, there were very few essences and bloods of third-level monsters that could be used to temper the body. Even the disciples of the Battle Hall could rarely use the essences and bloods of third-level monsters to temper their bodies.

But now it is different. The essence and blood of the third-level monsters that Qingyun Sect can use to temper the body can be provided in large quantities to the foundation-building disciples in the battle hall for cultivation.

Sun Yi could imagine that in the next period of time, the physical training level of the disciples in the Battle Hall would undergo earth-shaking changes, and soon a large number of disciples with third-level physical bodies would emerge in the sect.

At this time, a drop of Red Lingxi's blood was in Sun Yi's body, emitting violent power. This power could barely be withstood by the Foundation Establishment disciples in the general battle hall.

However, Sun Yi himself possessed a third-level physical body, so he could easily withstand this force. He swallowed a drop of Chi Lingxi's blood without hesitation, and then continued to blast the Chi Lingxi's residual soul.

In this way, Sun Yi continuously took the essence and blood of the Red Spirit Rhino, taking a total of twenty drops before reaching the limit of his physical body's endurance.

He then stopped, closed his eyes, and practiced the Kunpeng Technique to absorb and refine the essence and blood of these monsters to temper his body.

Although Sun Yi's behavior of taking a large amount of monster blood at one time to temper the body can speed up the tempering process, it will also cause a waste of the monster blood power.

Even the disciples of the Battle Hall would not waste the blood and essence of monsters in this way, but Sun Yi has become accustomed to this method of rapid cultivation. As for the wasted blood and essence of monsters, it does not matter to him.

By practicing the Kunpeng Technique, the blood essence of the Red Rhino in his body was continuously refined and absorbed. Sun Yi used one of his spirit souls to control the operation of the Kunpeng Technique, while the other seven spirit souls began various researches.

Wu Muyan and his group are at the Body Tempering Blood Pool, so there is no problem in researching it slowly. Now Qingyun lacks an effective means of communication, so Sun Yi decided to do it himself and develop a communicator first.

Only by developing an instant messenger can we truly control Luan Yao County. The communication talisman has too many limitations, and the mobile phones on Earth are more sophisticated.

Communications on Earth were also developed by countless scientists who spent a lot of time researching. It is highly technical. Even if Sun Yi knew the principles of the communicator, it would be impossible to research it all at once.

However, the cultivation world has many advantages that are not available on Earth. Room-temperature superconductivity alone has provided Sun Yi with tremendous convenience, and the various materials are far beyond what can be found on Earth. In addition, the various formations in the cultivation world can also be combined with science, allowing Sun Yi to adopt a communication method that combines cultivation with technology.

In this way, Sun Yi used the essence and blood of the third-level monster to temper his body madly, while also frantically researching communication technology. He did not delay his practice and research at all, and time passed quietly.

It was unknown how long it took, until Patriarch Qingxuan and the others returned from the Forest of Ten Thousand Demons, that Ergouzi sent someone to inform Sun Yi.